7 lines (6 with data), 252 Bytes

m022a 0 128 0 13:57:00 09/01/1991
# Start time=13:57
# First beat=14:04:42.242
# <age-range>: 65-69, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.601,  <RR-high-limit(sec)>: 0.968
# Note: recording with a timing signal, flutter-compensated